/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string')) {
      if ((/^[0-9]+$/.test(time))) {
        // support "1548221490638"
        time = parseInt(time)
      } else {
        // support safari
        // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
        time = time.replace(new RegExp(/-/gm), '/')
      }
    }

    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
    return value.toString().padStart(2, '0')
  })
  return time_str
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (('' + time).length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  const d = new Date(time)
  const now = Date.now()

  const diff = (now - d) / 1000

  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
  if (!search) {
    return {}
  }
  const obj = {}
  const searchArr = search.split('&')
  searchArr.forEach(v => {
    const index = v.indexOf('=')
    if (index !== -1) {
      const name = v.substring(0, index)
      const val = v.substring(index + 1, v.length)
      obj[name] = val
    }
  })
  return obj
}


/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
  let timeout, args, context, timestamp, result

  const later = function () {
    // 据上一次触发时间间隔
    const last = +new Date() - timestamp

    // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
    if (last < wait && last > 0) {
      timeout = setTimeout(later, wait - last)
    } else {
      timeout = null
      // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
      if (!immediate) {
        result = func.apply(context, args)
        if (!timeout) context = args = null
      }
    }
  }

  return function (...args) {
    context = this
    timestamp = +new Date()
    const callNow = immediate && !timeout
    // 如果延时不存在，重新设定延时
    if (!timeout) timeout = setTimeout(later, wait)
    if (callNow) {
      result = func.apply(context, args)
      context = args = null
    }

    return result
  }
}

// 验证手机号
export const validateMobile = (rule, value, callback) => {
  if (!/^1\d{10}$/.test(value)) {
    callback(new Error('手机号错误'))
  } else {
    callback()
  }
}

// 验证姓名
export const validateName = (rule, value, callback) => {
  if (!/^[\.a-zA-Z\u4e00-\u9fa5]+$/.test(value)) {
    callback(new Error('只能填写中文或字母或"."'))
  } else {
    callback()
  }
}



// 文件上传相关
import { Message } from 'element-ui'

export const getFile = (url) => {
  if (!url) return ''
  return process.env.VUE_APP_BASE_API + '/file/v1/view?ossKey=' + url
}

export const getUploadUrl = (url) => {
  return process.env.VUE_APP_BASE_API + '/file/v1/view?ossKey=' + url
}
export const uploadUrl = process.env.VUE_APP_BASE_API + '/file/v1/uploadFile'
export const imgTypes = ['image/png', 'image/jpeg', 'image/gif']

// 封面图片的限制
export const beforeAvatarUpload = (file, sizeLimit) => {
  const limit = sizeLimit || 200
  console.log('limit==', limit)
  const isJPG = imgTypes.includes(file.type)
  const isLimit = file.size / 1024 < limit

  if (!isJPG) {
    Message.error('图片只能是 png、jpeg、jpg、gif 格式!')
  }
  if (!isLimit) {
    Message.error('上传图片太大!')
  }
  return isJPG && isLimit
}

import { rightOptionsKV } from './options'
// 拼成这个格式"版权品/疯狂食客/疯狂食客R"
export const getCatagoryStr = (obj) => {
  const { tubeType, worksTubeName, worksSubjectName } = obj
  return rightOptionsKV[tubeType] + ' / ' + worksTubeName + ' / ' + worksSubjectName
}

// 下载文件
export const downloadBlobFile = (blob, fileName) => {
  if ('download' in document.createElement('a')) {
    // 非 IE
    const elink = document.createElement('a')
    elink.download = fileName
    elink.style.display = 'none'
    elink.target = '_blank'
    elink.href = URL.createObjectURL(blob)
    document.body.appendChild(elink)
    elink.click()
    URL.revokeObjectURL(elink.href)
    document.body.removeChild(elink)
  } else {
    // IE 10+
    navigator.msSaveBlob(blob, fileName)
  }
}


// 下载OSS文件
export const downloadOssFile = (url, name) => {
  var a = document.createElement("a");
  a.download = name;
  a.href = url;
  document.body.appendChild(a); //修复firefox中无法触发click
  console.log(a);
  a.click();
  document.body.removeChild(a);
}

// 添加 headers 
export const headers = {
  'X-App-Platform': 'sys',
  'X-App-Token': '',
  'X-App-Version': '1.0.6'
}

